:root {
            --primary-green: #4CAF50;
            --dark-green: #2E7D32;
            --light-green: #C8E6C9;
            --accent-orange: #FF9800;
            --text-dark: #333333;
            --text-light: #757575;
            --bg-light: #f9f9f9;
            --border-color: #e0e0e0;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --radius: 12px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: #fff;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        a {
            color: var(--dark-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-orange);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            padding: 1.5rem 0;
            border-bottom: 2px solid var(--light-green);
            margin-bottom: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-green);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-orange);
        }
        .my-logo:hover {
            color: var(--dark-green);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: 2px solid var(--primary-green);
            color: var(--primary-green);
            font-size: 1.5rem;
            padding: 8px 12px;
            border-radius: 8px;
            cursor: pointer;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 6px;
        }
        .main-nav a:hover {
            background-color: var(--light-green);
        }
        .breadcrumb {
            font-size: 0.9rem;
            color: var(--text-light);
            padding: 10px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary-green);
        }
        .search-container {
            margin: 2rem 0;
            padding: 1.5rem;
            background: var(--bg-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid var(--primary-green);
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background: var(--primary-green);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-button:hover {
            background: var(--dark-green);
        }
        .article-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 768px) {
            .article-container {
                grid-template-columns: 1fr;
            }
        }
        .article-main {
            background: var(--bg-light);
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-box {
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
        }
        .sidebar-box h3 {
            color: var(--dark-green);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light-green);
        }
        h1, h2, h3, h4 {
            color: var(--dark-green);
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-green);
            border-bottom: 3px solid var(--accent-orange);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            padding-left: 15px;
            border-left: 5px solid var(--primary-green);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--text-dark);
        }
        h4 {
            font-size: 1.3rem;
            color: var(--text-light);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--text-dark);
            font-weight: 500;
            background: var(--light-green);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 1.5rem;
            border-left: 4px solid var(--accent-orange);
            margin: 2rem 0;
            font-weight: 500;
        }
        .content-img {
            margin: 2.5rem auto;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            max-width: 800px;
        }
        .content-img img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .content-img img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            padding: 10px;
            background: #f5f5f5;
        }
        .content-link {
            font-weight: 600;
            border-bottom: 1px dashed var(--primary-green);
        }
        .rating-widget, .comment-widget {
            background: white;
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 2.5rem 0;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            margin-top: 1.5rem;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #FFD700;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-input, .form-textarea {
            padding: 15px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-button {
            background: var(--primary-green);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            align-self: flex-start;
            transition: var(--transition);
        }
        .submit-button:hover {
            background: var(--dark-green);
            transform: translateY(-3px);
        }
        .site-footer {
            margin-top: 4rem;
            padding: 3rem 0;
            border-top: 3px solid var(--light-green);
            background: var(--bg-light);
            border-radius: var(--radius) var(--radius) 0 0;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--dark-green);
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        friend-link {
            display: inline-block;
            background: #e8f5e9;
            padding: 8px 15px;
            margin: 5px 10px 5px 0;
            border-radius: 20px;
            border: 1px solid var(--primary-green);
            font-size: 0.9rem;
        }
        friend-link a:hover {
            color: var(--accent-orange);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
            color: var(--text-light);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 15px;
            }
            .header-top {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            .mobile-toggle {
                display: block;
                align-self: flex-end;
                margin-top: -60px;
            }
            .main-nav {
                width: 100%;
                display: none;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                border-bottom: 1px solid var(--border-color);
            }
            .main-nav a {
                display: block;
                padding: 15px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .article-main {
                padding: 1.5rem;
            }
        }